138462840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{384619}}^1$

素因数の和:384636

約数の個数: 48

約数和(自身を含む): 450005400

約数和(自身を除く): 311542560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 384619, 769238, 1153857, 1538476, 1923095, 2307714, 3076952, 3461571, 3846190, 4615428, 5769285, 6923142, 7692380, 9230856, 11538570, 13846284, 15384760, 17307855, 23077140, 27692568, 34615710, 46154280, 69231420, 138462840]

約数ペア:

[(1, 138462840), (2, 69231420), (3, 46154280), (4, 34615710), (5, 27692568), (6, 23077140), (8, 17307855), (9, 15384760), (10, 13846284), (12, 11538570), (15, 9230856), (18, 7692380), (20, 6923142), (24, 5769285), (30, 4615428), (36, 3846190), (40, 3461571), (45, 3076952), (60, 2307714), (72, 1923095), (90, 1538476), (120, 1153857), (180, 769238), (360, 384619)]